78 lines
1.8 KiB
TypeScript
78 lines
1.8 KiB
TypeScript
import { createContext, useEffect, useMemo, useState } from "react";
|
|
import secureLocalStorageImport from "react-secure-storage";
|
|
|
|
type Theme = "dark" | "light" | "system";
|
|
|
|
type ThemeProviderProps = {
|
|
children: React.ReactNode;
|
|
defaultTheme?: Theme;
|
|
storageKey?: string;
|
|
};
|
|
|
|
type ThemeProviderState = {
|
|
theme: Theme;
|
|
setTheme: (theme: Theme) => void;
|
|
};
|
|
|
|
const secureLocalStorage = (secureLocalStorageImport as any)?.default ?? secureLocalStorageImport;
|
|
|
|
const initialState: ThemeProviderState = {
|
|
theme: "system",
|
|
setTheme: () => null,
|
|
};
|
|
|
|
export const ThemeProviderContext = createContext<ThemeProviderState>(initialState);
|
|
|
|
export const ThemeProvider = ({
|
|
children,
|
|
defaultTheme = "system",
|
|
storageKey = "vite-ui-theme",
|
|
...props
|
|
}: ThemeProviderProps) => {
|
|
const [theme, setThemeState] = useState<Theme>(() => {
|
|
try {
|
|
const stored = secureLocalStorage?.getItem?.(storageKey);
|
|
return (stored as Theme) || defaultTheme;
|
|
} catch {
|
|
return defaultTheme;
|
|
}
|
|
});
|
|
|
|
useEffect(() => {
|
|
const root = window.document.documentElement;
|
|
root.classList.remove("light", "dark");
|
|
|
|
if (theme === "system") {
|
|
const systemTheme = window.matchMedia("(prefers-color-scheme: dark)").matches
|
|
? "dark"
|
|
: "light";
|
|
|
|
root.classList.add(systemTheme);
|
|
return;
|
|
}
|
|
|
|
root.classList.add(theme);
|
|
}, [theme]);
|
|
|
|
const value = useMemo(
|
|
() => ({
|
|
theme,
|
|
setTheme: (nextTheme: Theme) => {
|
|
try {
|
|
secureLocalStorage?.setItem?.(storageKey, nextTheme);
|
|
} catch {
|
|
// fallback silencioso
|
|
}
|
|
setThemeState(nextTheme);
|
|
},
|
|
}),
|
|
[theme, storageKey]
|
|
);
|
|
|
|
return (
|
|
<ThemeProviderContext.Provider {...props} value={value}>
|
|
{children}
|
|
</ThemeProviderContext.Provider>
|
|
);
|
|
};
|